Funnels

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  • Sigma-Aldrich® vacuum filtration assembly

    MilliporeSigma

    for 47 mm filters with glass support, NS 40/35 joints, 4 L flask (included) Funnel volume is 1000 mL General description Same as Z290432 but with NS 40/35 jont (male on flask, female on funnel support) instead of rubber stopper. Vacuum filtration apparatus for HPLC solvent…

  • Funnels, Cold Addition, Airfree®, Schlenk

    Chemglass

    Used in the preparation of block copolymers or any chemical synthesis requiring high vacuum techniques. Funnel features a large diameter ring seal between the coolant container and the addition funnel body thereby reducing stress and permitting for use of a wide range of coolants, from ice-water to…

  • Vacuum Filter Holder Set, 47mm

    United Scientific Supplies

    This all-glass filter holder is used in particulate contamination analysis for filtering aqeuous, organic, or corrosive liquids. It is also recommended for HPLC solvent filtration. Complete set includes a borosilicate glass funnel, anodized aluminum spring clamp, vacuum base with sintered disc,…

  • Borosil® Short Stem Funnels

    Borosil

    Borosil® Short Stem Funnels are built for durability and long-term use. Funnels have 60° bowl angles for perfect fit with filter papers. Used for filtration and decanting of a wide variety of liquids. Built from Borosil's world-renowned 3.3 borosilicate, low-expansion,…

  • Micro Weighing Funnels, Glass

    Radnoti

    Scoop-shaped, to function both as a weighing dish and as a transfer funnel Of borosilicate glass Listings give length x diameter in millimeters. Assortment includes one of each size funnel.

  • 47mm Magnetic Filter Funnels

    Pall Life Sciences

    For vacuum filtration of liquids, especially for the analysis of aqueous samples for microbiological and particulate contamination using the Membrane Filter (MF) Technique. The Magnetic Filter Funnel is ideal for use with a filter funnel manifold or side-arm vacuum flask using a rubber stopper…

  • PYREX Buchner Filter Funnels With Fritted Glass Disc Design

    Corning

    For use without filter paper Offered in nine sizes and three porosities Pore sizes 40 to 60 µm = C, 10 to 15 µm = M and 4 to 6 µm = F With square-cut, fire-polished rim These funnels are especially useful where filter paper would be attacked by the material…

  • Polypropylene Buchner Funnels

    Thermo Scientific Nalgene

    Lightweight and durable Bottom and top can be separated for easier cleaning Autoclavable

  • Vacuum Filter Holder Set, 90mm

    United Scientific Supplies

    This all-glass filter holder is used in particulate contamination analysis for filtering aqeuous, organic, or corrosive liquids. It is also recommended for HPLC solvent filtration. Complete set includes a borosilicate glass funnel, anodized aluminum spring clamp, vacuum base with sintered disc,…

  • Reusable Filter Holders with Receiver

    Thermo Scientific Nalgene

    Polysulfone filter funnels For 47 mm diameter membrane filters Eliminates the need for a manifold and/or breakable glass vacuum flask Particularly useful for field work Receiver is graduated Non-sterile Autoclavable Two side-arms allow connection to vacuum line; also…

  • Safety Waste Funnel Systems

    Thermo Scientific Nalgene

    Temporarily contain waste on the benchtop or under the lab hood using Thermo Scientific™ Nalgene™ Safety Waste Funnel Systems. Funnels feature the Easy Snap Safety Latch to minimize spillage if accidentally tipped over and a larger diameter funnel for easy pouring. The vent system helps…

  • Single CytoSep™ Cytology Funnels

    Simport

    Fully compatible with the Shandon CytoSpin® Centrifuge, Simport CytoSep™ Cytology Funnels can be used to deposit a thin layer of cells in a clearly defined area of a microscope slide. The filter card absorbs any excess fluid. These Cytology Funnels have the filter cards pre-attached for…

  • Scienceware® Table-Top Buchner Funnels

    Bel-Art - SP Scienceware

    Filter large volumes quickly Filter large volumes quickly with a polyethylene plastic Table-Top Buchner Funnel using your choice of Fritware® or Perforated filter plate. Removable hose barbed connector accepts 12.7mm (1/2") I.D. tube and threads into 3/4" NPT bung on the…

  • Filter Adapter Set, Neoprene

    United Scientific Supplies

    Set of seven neoprene adapter cones designed to fit Buchnew and fritter glass funnels, porcelain filters without headpieces, and for reverse flow cleaning for filter crucibles. Adapters can be used to support funnels, Gooch crucibles, filter tubes and other apparatus in filtration…

  • Borosilicate Glass Buchner Funnels

    United Scientific Supplies

    Manufactured from thick walled borosilicate glass, funnels include a beaded rim and a fritted disc with coarse, medium or fine porosity.

  • Vacuum Filter Holder Set with Stainless Steel Screen

    United Scientific Supplies

    Designed for analyzing particulate contamination of hydraulic fluids and oils using gravimetric or particulate counting methods and can be used in exfoliative cytology applications. Complete set includes a borosilicate glass funnel and base, anodized aluminum spring clamp, stainless steel support…

  • Glass Separatory Funnel Kits

    Across International

    Introducing the new Ai separatory funnel kits with all PTFE valves. A separatory funnel, also known as separation funnel, separating funnel, or colloquially sep funnel, is a piece of laboratory glassware used in liquid-liquid extractions to separate (partition) the components of a mixture into two…

  • Vacuum Filter Holder Set with PTFE-Coated Funnel & Base

    United Scientific Supplies

    Designed for bacteriological analysis where it is necessary to sterilize the filter holder with the membrane filter in place. The glass surface is coated with PTFE to avoid filter damage and membrane adhesion during autoclaving. Complete set includes a PTFE-faced borosilicate glass funnel and…

  • Scienceware® Heavy-Duty Long Stem Funnels

    Bel-Art - SP Scienceware

    60° Cone Heavy-duty polypropylene with smooth walls xternal ribs prevent air lock Steam autoclavable at 121°C (250°F)

  • Plastic Separatory Funnels

    Thermo Scientific Nalgene

    Polyproylene funnels resist virtually all chemicals including hydrofluoric acid (5246T01 to T19) Teflon® TFE stopcock and housing Leakproof closure and stopcock Visible phase interface TFE housing eliminates need for lubrication which reduces the possibility of…

  • Buchner Filter Funnels

    Wilmad-LabGlass - SP Scienceware

    WUsed in applications where filter paper would be attacked by the material being filtered, these borosilicate glass Buchner filter funnels with sealed-in fritted glass discs are available in Coarse(C), Medium(M), or Fine(F) porosities.

  • Vacuum Filter Holder Set, Fritted Glass

    United Scientific Supplies

    Designed for bacteriological analysis of water using 47mm sterile membrane filters. Also applicable for analysis of suspended solids in water using 47mm depth filters. Complete set includes a borosilicate glass funnel and base., anodized aluminum spring clamp, and perforated silicone stopper. …

  • Porcelain Buchner Funnels

    United Scientific Supplies

    Buchner funnel includes fixed perforated plate. Funnels are glazed on inner and outer surfaces except for the rim. Thermal Shock Resistance - average coefficient of expansion from 20° C to 200° C is 3.56 x 10-5, gradually increasing to 4.69 x 10-5 at 1050°C. Every batch of…

  • Borosil® Pear-Shaped Glass Separatory Funnels

    Borosil

    Borosil® Separatory Funnels use a self-lubricating, replaceable PTFE stopcock that does not require grease or lubrication in order to achieve fine, smooth control of flow. Glass pennyhead stoppers included. Borosil® Boroflo Separatory Funnels has best performance in the world. …

  • Thistle Tubes

    Bel-Art - SP Scienceware

    Make additions to burettes and narrow neck containers easily with this flared top thistle tube. Polypropylene plastic; chemical resistant, unbreakable, safe Steam autoclavable at 121°C (250°F) Dimensions: 27mm (1-1/16") I.D. top with a 41mm (1-5/8") O.D. flare …

  • Gravi-Seal 47 mm Analytical Funnel

    GVS Filter Technology

    Unique gravity-sealing design Two-piece construction One-handed operation Large membrane access points for forceps Available in polysulfone or polypropylene No clamps or locking devices to manipulate. Less expensive than stainless steel, glass or magnetic funnels, yet compare favorably with…

  • MicroFunnel™ Filter Funnels

    Pall Life Sciences

    Increase Laboratory Efficiency with Ready-To-Use Disposable Filter Funnels Certified. Each lot is certified for microbiological analysis to provide added assurance of reliable results. Easy-to-use. Unique squeeze separation of cylinder from base allows easy access to membrane. …

  • Magnetic Filter Funnel, 300 mL

    Hach

    Clear polysulfone funnel with imprinted graduations. Magnetic coupling of funnel to stem for fast filter changes. Used with 47 mm membrane filters for coliform testing and prefiltration of many fluids. Fits standard manifold systems with #8 rubber stopper connections. Capacity 300 mL (10 oz).…

  • SYNTHWARE Separatory Funnels with PTFE Stopcock

    Kemtech America

    Separatory Funnel, PTFE Stopcock PTFE or Glass Stopper Capacity: 10-1000mL Stopper Joint: 14/20, 19/22, 24/40, 29/42, No. 13, No. 22, No. 27 and No. 16 available Stopcock Bore: 2 or 4mm

  • ULTRA-WARE® Microfiltration Assembly with Fritted Glass Support and Ground Joint…

    DWK Life Sciences (Kimble)

    The 90 mm filtration assembly with fritted glass support is designed for large volume filtration analysis of corrosive liquids or samples with high particulate loads that would tend to clog a 47 mm diameter filter. This unit is also recommended for filtering large volumes of HPLC solvents. …

  • PYREX® Squibb Separatory Funnels With Plastic Stopper

    Corning

    Teflon® stopcock plug and Standard Taper polyethylene stopper Stem length of 65 mm PYREX® borosilicate glass body

  • Funnels Long-Stem

    Dynalon

    Available in 3 volumes and 3 lengths with 60° side angles. These ribbed long stem funnels are made from food grade polypropylene and take standard size filter papers. Ideal for hard to reach areas with or without narrow openings.

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